Licensing is a tricky concept to grasp. If you're creating work for educational purposes, you can pretty much use anything as long as you give proper credit and you're not profiting from it. But eventually, ya gotta pay the bills. This article breaks down the difference between content (videos, music, photos, etc...) being either "rights managed" or "royalty free".
A band called Miro Shot has been experimenting with putting on virtual reality concerts. Miro Shot describes themselves as an, “AR/VR band/collective playing a brand new kind of immersive live concert around the world.” This article breaks down their past work and future plans. It's author, Charlie Fink, is a leader in the new media field. He's also worth looking into more.
A company called Feelreal created a mask that attaches to any VR headset. The mask enables creators to add smell and feeling to the stories they're telling. This is another step towards creating completely immersive content. Learn more here:
This is the first part of a series on volumetric filmmaking. This article by James George on Medium gives a general overview of the past, present, and future of volumetric filmmaking.